A newspaper article from 1934
Another newspaper article from 1934 reported the following:
Article from an American newspaper:
In 1934, the Department of Physiology at Cambridge University produced the film 'Methods of measuring metabolism and basal metabolism: Krogh and Douglas bag' on the use of the Douglas bags. The picture shows the difference between the filling at rest and after an exercise test.
During the congress of the Belgian Medical Federation in Dinant, the 'Societé Médicale Belge d'Education Physique et de Sports' (SMBEPS) was established. Liege Professor Lucien Brouha (1899-1968), a specialist in exercise physiology, was elected first president. Two years later, Brouha emigrated to the United States where he started working at the world-famous 'Harvard Fatigue Laboratory' and where he published the 'Harvard Step-Test' in 1943.
The spirometer of British instrument builder Charles Fielding Palmer (1891-1987) was based on the Knipping Type Closed Circuit Respiration Apparatus, with which one could also measure the oxygen spent and the carbon dioxide produced.